The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12640498 B1

Date of Patent:

May. 26, 2026

Filed:

Dec. 22, 2021

Antenna device

Applicant:

Yokowo Co., Ltd., Tokyo, JP;

Inventors:

Bunpei Hara, Tomioka, JP;

Seiya Hiroki, Tomioka, JP;

Assignee:

YOKOWO CO., LTD., Tokyo, JP;

Attorney:

XSENSUS LLP

Primary Examiner:

Hoang V Nguyen

Int. Cl.

CPC ...

H01Q 21/24 (2006.01); H01Q 1/32 (2006.01); H01Q 15/14 (2006.01); H01Q 19/10 (2006.01);

U.S. Cl.

CPC ...

H01Q 21/24 (2013.01); H01Q 1/32 (2013.01); H01Q 15/14 (2013.01); H01Q 19/10 (2013.01);

Abstract

An antenna device () for a vehicle includes an antenna case (), an antenna base () forming an accommodation space together with the antenna case (), a first antenna element () that is accommodated in the accommodation space and that at least transmits or receives a circularly polarized wave; a second antenna element () that is arranged close to the first antenna element () and that at least transmits or receives a linearly polarized wave; and at least one parasitic element (), (), (), or () serving as a reflector or a waveguide for the second antenna element ().

Find Patent Forward Citations

Hara, Bunpei. (2026). Antenna device (U.S. Patent No. 12640498). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12640498

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile